import java.util.Arrays;

public class Test {
    public static void main(String[] args) {
        int[] arr1 = {21,12,44,6,15,9,28};
        int[] arr2 = {21,12,44,6,15,9,28};
        sort.mergeSort(arr1);
        sort.shellSort(arr2);
        System.out.println(Arrays.toString(arr1));
        System.out.println(Arrays.toString(arr2));

    }
}
